Content .. 2380 2381 2382 2383 ..
Hummer H2. Manual - part 2382
The following items can affect the electrical connection:
z
Bent pins in the connector from rough handling during connection and disconnection
z
Wires backing away from the pins or coming uncrimped, in either the internal or the external wiring
harness
z
Dirt contamination entering the connector when disconnected
z
Pins in the internal wiring connector backing out of the connector or pushed out of the connector during
reconnection
z
Transmission fluid leaking into the connector, wicking up into the external wiring harness and degrading
the wire insulation
z
Moisture intrusion in the connector
z
Low pin retention in the external connector from excessive connection and disconnection of the wiring
connector assembly
z
Pin corrosion from contamination
z
Damaged connector assembly
Remember the following points:
z
In order to remove the connector, squeeze the two tabs toward each other and pull straight up without
pulling by the wires.
z
Limit twisting or wiggling the connector during removal. Bent pins can occur.
z
Do not pry the connector off with a screwdriver or other tool.
z
Visually inspect the seals to ensure that they are not damaged during handling.
z
In order to reinstall the external wiring connector, first orient the pins by lining up the arrows on each half
of the connector. Push the connector straight down into the transmission without twisting or angling the
mating parts.
z
The connector should click into place with a positive feel and/or noise.
z
Whenever the transmission external wiring connector is disconnected from the internal harness and the
engine is operating, DTCs will set. Clear these DTCs after reconnecting the external connector.
SPECIAL TOOLS AND EQUIPMENT
SPECIAL TOOLS
Special Tools
Illustration
Tool Number/Description
2004 Hummer H2
2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2